Liquefier



Jan. 23, 1940. A T. THoMPsoN LIQUEFIER Filed OCt. 26, 1937 2 Sheets-Sheet l y 3mm 771011119602@ f www?? m/wf( Jaun. 23, 1940. A., T, 'rg-{Q/"DSONl 2,187,919

LIQUEFIER Filed oct.- 26, 1937 2 sheets-smet 2 E g w 55 g /Z 42 www,

20 filling opening in a shape other than round,

Patented Jari.I 23, 1940 L J-'Nl'rl-:D-l-Isfl-A,T1-:sl ,PArlizNTj, orties, l "f, 4' "2,187,919, l l LrQUEFiER vAlberti?.` "lvl'liorrlpson,,Newlrleans,l La. ,l Application October'26, 1937, Serial No.'171,v151 f f device of this'kind with av closure. cooperating with a filling opening forsealing the filling openy,

ing either by springpressure` or by pressure generated within the receptacle after thefilling operation.,l.V` A further object is to provide expansible spring means cooperating with the closure for maintaining the same in closed-positionover thelling opening, and which spring` means will yield upon pressure being applied to the outer side of closure, thereby allowing the closure to be opened ,for fill,-` ing the receptacle through the. lling opening.,. l A further object is l,to provide the closure with positive guiding means for vguiding the same axially inwardly and outwardly for allowing :illl-` ing'of the receptacle, and for closing the receptacleafter the filling operation.

A further object is to form the -closure and whereby the closure can be removed from its positionwithin the receptacle, and from the receptacle `through the lling opening.

A further object is to provide the closure with a pivoted rock bar against the ends of which expansion springs engage for normally forcing the closure to closed position, and allowingthe closure to rock and conformy to the bottom 'of the receptacle around the lling opening.

With the above and other objects in view the invention resides in the combination and arrangen ment of parts as hereinafter set forth, shown in v the drawings, described and claimed, it being understood that changes in the precise embodiment of the invention may be made withinthe scope of what is claimed without departing from the `spirit of the invention.

In the drawings:

Figure l is la view in elevation of the receptacle.

Figure 2 is a vertical transverse sectional view through the lower end ofthe receptacle.

Figure 3 is a horizontal sectional view through the receptacle, taken on line 3-3 of Figure2.

"Figure-4 is a view in elevation of another form of receptacle. I

Figure is a vertical transverse sectional view through the lower end of the receptacle shown in y Figure 11 is a vertical transverse lsectional view 5 of vanother form'of receptacle.v

Figure 12 is a horizontal sectional view'trake'r'i 'l Referring to the'draw'ingsand `partieularly'to Figures l to,l 3,-the numeral i designates'the lil,

receptacle, 2 the bottom thereof; and 3 a filling opening. The inner side of the bottom 2,-adja cent the filling opening 3, is provided with a gasket 4, against which. the. spring pressed cover 5 engages. .Co-ver, 5 isprovldednwith a .plurality 16 of notches 6, which receive the vertically disposed flanges l carried by the receptacle; l, and guide the cover in its upward and downward movement. Connected to the inner side of the cover 5 at 8 are upwardly diverging expansion springs 9, 2o

the upper rends of which are anchored at iii tor the receptacle in any suitable manner. Expansion springs normally force the cover 5' towards closed position and maintain the receptacle sealed. When it is desired to `iill the receptacle, 25- y a bolt or tool is inserted in the threaded aperture Il in the under side of the cover 5, and the cover is forced inwardly until the filling operation isV completed. Just as soon as' the cover 5 is released, expansion springs 9 force the same to 30 closed sealed position, therefore it Will be seen a sealed receptacle is provided which may be used in connection' with a pressure or non-pressure container.

Referring to the form shown in Figures 4 to v6` inclusive, the receptacle H hasits bottom 2 pro# vided with a filling opening 3, and around which filling opening is a gasket 4. The cover l2 is dis# posed within the chamber i3 of the receptacle and is provided with an upwardly extending lug o Pivo-tally 4mounted at I5 on the lug lll is a rock bar I6, the outer ends of which are providedy with an enlargement l1 within the springhousl ings I8, the ends of the bar extending through 45 vertical slots I9 in the'housings. 'Ihe housings I8 are securedkby means of screws 20 to the inner wall of the receptacle and have their lower ends disposed in U-shaped slots 2l in the bottom 2, as clearly shownvin Figure 5, therefore they 50 are rigidly held against displacement. Disposed within the housing I8 and in engagement with the enlargement Ilare expansion springs 22, which normally force the rock bar IS downwardly, and the closure to closed position. By 55 providing a rock bar, it is obvious the closure will assume a position in the plane of the bottom of the receptacle. Closure I2 is preferably provided with a threaded tool receiving aperture 23 so the operator can force the closure inwardly against the expansive action of the springs 22 for a filling operation, and when the cover is released the springs will again seat the cover and form a sealed closure. It is to be understood the receptacle may be used asY a. pressure or non-pressure container, and any kind of a discharge valve 24 may be used.

Referring to the form shown in Figures 7 to. 10 inclusive, the receptacle 25 is provided with a U-shaped member 25, welded or otherwise secured at 21 to the upper end 2B of the, receptacle Within the chamber 29, and said U-shaped member is provided with af depending axially disposed tubular member terminating spaced from, the bottom 2 of the receptacle and the filling opening 3. The cover 3| is provided with an upwardly extending shaft 32, which is slidably mounted in the tubular member 3U, therefore it Will be seen the closure can move inwardly from the lling opening for a iillingy operation, and can easily rotate for placing any of the cam members 33 of the lugs 34 under the lugs 35Y of the receptacle.

In operation, a handling tool isplaced in the threaded opening 36 of the closure 3|, andV the closure is then rotated to release the lugs 34, and at which timethe closure will be inwardly guided by the telescopic connection formed by the members 30 and 32. When the-closure is again moved to a closed position, it is axially guided to a position over the lling opening and in engagement with the gasket 31.

Referring to the form shown in Figures 1l and 12, the receptacle 38 has its bottom 39 provided with an elongated or off-round filling opening 40; it being understood any shape of filling opening may be used, which will allow the closure 4l to be removed from the receptacle chamber 42 through the opening 40. An oval opening is. shown for purposes of illustration. Closure 4| is provided with a headed extension 43 on which is pivoted a cross bar 44, the ends of which are `received in arcuate cam recesses 45 in opposite sides of the filling opening. The cover is handledv in the same manner as in the other forms by the insertion of a tool into the threaded aperture 46;

It is; to; be.` understood that the receptacle may be constructed in any manner, according to the use and contents thereof, and may be built up from separate; piecesor welded if desired;

The-inventionhaving been set forth what is claimed: as'new. and useful is:

The combination with a receptacle having a filling opening, a closure Within the receptacle and cooperating with the fillingl opening, spring housings within the receptacle at oppositev sides thereof, ofv a cross bar carried by the closure and extendingI into the housings and movable longitudinall'yl therein, and expansion springs Within the housingsV and cooperating with the ends of thebar forforcing the closureto closed position and guiding the closure when moved to open position` ALBERT T. THOMPSON. 

